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Recognised as Colour

#408AFF

  • #408AFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#408AFF is a blue with RGB values 64, 138, 255 and HSL 217°, 100%, 63%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#408AFF#408AFF
HEX#408AFF
RGBrgb(64, 138, 255)
RGB (0–1)0.251, 0.5412, 1
RGB percentages25.1%, 54.1%, 100%
HSLhsl(216.8, 100%, 62.5%)
HSV / HSBhsv(216.8, 74.9%, 100%)
CMYK74.9%, 45.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,229,887
CSS custom property--colour: #408AFF;

Brightness & contrast

Relative luminance0.26487WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.3:1
Contrast with white3.33:1WCAG normal text: Fail
Contrast with black6.3:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#BF7500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B96FFno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#1985FDno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#00A6B8no blue cones; rare, and affects men and women equally; ΔE 64.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.33:1WCAG large text: AA
Contrast with black, large text6.3:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.7Royal blue · ΔE 14.5Cornflower blue · ΔE 17.4Slate blue · ΔE 24.6Medium purple · ΔE 25.3Medium slateblue · ΔE 25.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB540
Analogous#40EAFF, #5540FF
Triadic#FF408A, #8AFF40
Split complementary#FF5540, #EAFF40
Tetradic#FF40EA, #FFB540, #40FF55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9E8FF
Lighter +20%#A6C8FF
Lighter +10%#73A9FF
Darker −10%#0D6BFF
Darker −20%#0054D9
Darker −30%#0040A6
Darker −40%#002D73
More saturated +25%#408AFF
Less saturated −25%#588FE7

Channel breakdown

R64
G138
B255
Red64 (25.1%)
Green138 (54.1%)
Blue255 (100%)
Hue216.75°
Saturation (HSL)100%
Lightness62.55%
Dominant channelBlue
Hex per channelR 40 · G 8A · B FF

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Every value on this page was computed from “408aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.